Sometimes, you wont be at all using the card as an answer but as a means to simply end it
It might seem close enough between these three cards in terms of power that the mono coloured one would just win out but the clean ease of use of the gold options is pretty big
The prime goal in Pokmon TCG Pocket is to collect all of the cards available, but you can also battle using them, which can provide players with a host of rewards
Once again, this isn't inherently necessary, although much like Wonder Stamina, the time between new packs is quite long
( Shiny Star V featured 190 cards in its main set and 140 secret rares, for a total of 330 cards.) Shiny Treasure ex is Japan's annual reprint set, so it will mostly contain reprinted cards in its main set and maybe 15-30 brand new cards
They can also easily employ combo lines that rely on already-good cards like Agatha of the Vile Cauldron and Underworld Breach